Best 7950 / manufacturer, comparasion table

[riku2015]

Thanks for sharing information!

i think winning card is shappire 7950 also there was msi is ok, and i understand all other cards need to be avoided if don't wanna flash firmware:)

this card i mean:
https://www.bitcoinstore.com/sapphire-radeon-hd-7950-graphic-card-850-mhz-core-3-gb-gddr5-sdram-pci-express-3-0-x16.html

OUT OF STOCK, i think need contact them asking when this product will be available, when they get shipment from manufacturer..  also might need wait abit for bitcoin rise up to around 140~ then its abit cheaper xD

[scapeoflegends]

Do NOT get an XFX.. The cards i got from them have given me SO many problems.. its just not worth it..

[riku2015]

got some updates on this,
the Sapphire cards are very difficult to get they out of stock, so i try get other

what about MSI?
https://www.bitcoinstore.com/msi-r7950-twinfrozr3gd5-oc-radeon-hd-7950-graphic-card-1-gpus-880-mhz-core-3-gb-gddr5-sdram-pci-express-3-0-x16.html
MSI R7950-TwinFrozr3GD5/OC Radeon HD 7950 Graphic Card - 1 GPUs - 880 MHz Core - 3 GB GDDR5 SDRAM - PCI-Express 3.0 x16
they are abit more expensive i think because higher stock clock?

Question is:
Does this MSI have voltage unlocked and what about hash-rates can it do same as sapphire 750Kh/s? does it work ok on linux?
Please share your info


so many said XFX is out of question, so im not going for that, also gigabyte is complicated (need firmware change). so lets talk about MSI
thanks alerady for infos:)

[Benchman]

I tested almost every 7950 card.

I can say Asus 7950 Direct CU2 TOP V2 is the best 7950 on the market. Ultra quiet, ultra cold, ultra stable card. So you can overclock it easily to 1200 Mhz GPU and over. Sapphire 7950 Vapor-X are also pretty good card. Almost the same like Asus. Sapphire Dual-X are very good, but not good like other two above. MSI has TF3 and TF4 cooler witch is excellent, but for me it hasn't show as a good card. Very high VRM temperature, not quite like Asus and Sapphire... XFX is crap, dont buy this sh*t. Has thermal problems even on default clocks. Gigabyte is good, but lamost every model has locked Voltage, so i would bypass it.

7970:

1. Asus Matrix
2. MSI Lightning
3. Sapphire Vapor-X
and others...

Personally, i would go to 4X Sapphire 7950 Vapor-X. 7950 can hit ~670~680 kh/s in reaper, that's very close to 7970 witch can hit about ~720 kh/s max!

[JesstersDead]

I run 16 PowerColor AX7950 3GBD5-2DHV4 7950's

I also have run another 4 SAPPHIRE 100352-4L Radeon 7950's

I picked up the PowerColors because at the time of purchase they were the only card available in that quantity. I can happily say however I didn't have a single DOA or sub-par functioning card out of the whole lot.

The Sapphires were for my first mining/gaming rig and didn't have a DOA with them either.

In a direct head to head comparison with identical cgminer settings(ran off the same batch file in the same rig actually), the cards average the following:

Temps: Sapphire 71C / Powercolor 79C
KH/S: Sapphire 595 / Powercolor 625

All card have the same settings in MSI Afterburner @ 1025/1500, 1035mv, Powertune +20.

The Sapphires definitely run cooler. Substantially cooler actually. But are MUCH louder. The also were about 20 kh/s short of what the Powercolors topped out at. Not a big deal for a single card, but almost hits 100 kh/s less per 4 card rig. I have them all in identical rigs: Open air case, 990fxa-GD65, Athlon II x4, single 8gb stick, 1200W seasonic.

If I were to purchase again however, I would get the Sapphires for no other reason than the temps. Unfortunately newegg had a 2 card limit at the time of purchase.